Planting Knock Out Roses with Drift Roses
The Knock Out® Family of Roses and Drift® Roses have all the blooms of annuals with the ease of care of perennials. While The Knock Out® Family of Roses are large and shrubby (apx. 3-4' wide x 3-4' tall), Drift® Roses are low and spreading (2-3' wide x 1-2' tall). Although different sizes, both Knock Out® and Drift® Roses have similar growing requirements which make them great companions in the garden.
Both plants prefer full sun and well-drained soil. Both The Knock Out® Family of Roses and Drift® Roses are self-cleaning but you may clean them up by deadheading.
The Knock Out® Family of Roses bloom every 5 to 6 weeks from spring to the first hard frost. Drift® Roses bloom continuously during the same time. Both are heat tolerant throughout the U.S. The Knock Out® Family of Roses are cold tolerant to zone 5 and Drift® Roses will winter over in zone 4.
You can keep The Knock Out® Family of Roses at 3 to 4 feet wide by 3 to 4 feet tall by cutting them back every year to about 12 inches tall. If you prefer to let them grow larger, reduce the height of the plant by about one-third every 2 or 3 years. Prune Drift® Roses back to 4 inches in early spring after the last hard frost to keep the form tidy.
While The Knock Out® Family of Roses and Drift® Roses are good bedfellows, including other plants in the design will add dimension. Choose blooming plants that will coordinate with the roses or foliage plants in colors that will complement the color of the rose flowers. Some of my favorite companions for The Knock Out® Family of Roses and Drift® Roses are delphinium, lavender, nepeta, salvia, dianthus, lychnis, poppy, alliums, chives, parsley, thyme, scented geraniums, marigolds, rosemary, daylilies, clematis, artemisia, spring bulbs, peonies, cosmos, spider flower, coleus and boxwood.